-73% is the change from 337 to 91
Calculation steps:
[( 91 - 337 ) ÷ 337] x 100 = -73%
Formula
Percentage change = [(91 - 337) / 337] x 100
Subtract the new number by the original number
91 - 337 = -246
-246 ÷ 337 = -0.7299703264094956
-0.7299703264094956 x 100 = -73%